package tech.aistar.corejava.day02.day02_work;

/**
 * Created by 86133 on 2019/7/16.
 */
public class Test07 {
    public static void main(String[] args) {
        int year = 1970;
        int month = 2;
        int day=0;

        switch (month) {
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:
                day = 31;
                break;
            case 4:
            case 6:
            case 9:
            case 11:
                day = 30;
                break;
            case 2:
                day = (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)?29:28;
        }


        System.out.println(day);

    }
}
